It’s often seen in film/books/etc. that when someone receives a chest injury, is smashed against a wall or similar, he coughs up blood or has blood coming out from his mouth. Does this actually happen? Why?
If the lungs get damaged it makes sense that blood gets coughed up, but what about injuries that affect other organs?
In: Biology
It’s probably supposed to represent internal bleeding. I cough up blood pretty often but I think that’s more because I cough a lot and have scars in my throat or something from coughing too much.
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